/// <summary>
/// Remaps a DirectInput button to the controller button map struct.
/// </summary>
/// <param name="timeoutSeconds">The timeout in seconds for the controller assignment.</param>
/// <param name="currentTimeout">The current amount of time left in seconds, use this to update the GUI.</param>
/// <param name="buttonToMap">Specififies the button variable where the index of the pressed button will be written to. Either a member of Controller_Button_Mapping or Emulation_Button_Mapping</param>
/// <param name="cancellationToken">The method polls on this boolean such that if it is set to true, the method will exit.</param>
/// <returns>True if a new button has successfully been assigned by the user.</returns>
private bool DInputRemapButton(int timeoutSeconds, out float currentTimeout, ref byte buttonToMap, ref bool cancellationToken)
{
// Cast Controller to DInput Controller
DInputController dInputController = (DInputController)Controller;
// Retrieve Joystick State
JoystickState joystickState = dInputController.GetCurrentState();
// Initialize Timeout
int pollAttempts = timeoutSeconds * MillisecondsInSecond / SleepTimePolling;
int pollCounter = 0;
// Poll the controller properties.
while (pollCounter < pollAttempts)
{
// Get new JoystickState
JoystickState joystickStateNew = dInputController.GetCurrentState();
// Iterate over all buttons.
for (int x = 0; x < joystickState.Buttons.Length; x++)
{
if (joystickState.Buttons[x] != joystickStateNew.Buttons[x])
{
// Retrieve the button mapping.
ControllerCommon.ButtonMapping buttonMapping = Controller.InputMappings.ButtonMapping;
// Assign requested button.
buttonToMap = (byte)x;
// Reassign button mapping.
Controller.InputMappings.ButtonMapping = buttonMapping;
// Set timeout to 0
currentTimeout = 0;
// Return
return(true);
}
}
// Increase counter, calculate new time left.
pollCounter += 1;
currentTimeout = timeoutSeconds - pollCounter * SleepTimePolling / (float)MillisecondsInSecond;
// Check exit condition
if (cancellationToken)
{
return(false);
}
// Sleep
Thread.Sleep(SleepTimePolling);
}
// Assign the current timeout.
currentTimeout = 0;
return(false);
}
/// <summary>
/// Remaps the axis of a DirectInput controller.
/// </summary>
/// <returns>True if a new axis has been assigned to the current mapping entry.</returns>
private bool DInputRemapAxis(int timeoutSeconds, out float currentTimeout, ControllerCommon.AxisMappingEntry mappingEntry, ref bool cancellationToken)
{
// Cast Controller to DInput Controller
DInputController dInputController = (DInputController)Controller;
// Get type of JoystickState
Type stateType = typeof(JoystickState);
// Retrieve Joystick State
JoystickState joystickState = dInputController.GetCurrentState();
// Initialize Timeout
int pollAttempts = timeoutSeconds * MillisecondsInSecond / SleepTimePolling;
int pollCounter = 0;
// Get % Change for recognition of input.
int percentDelta = (int)(DInputManager.AxisMaxValue / 100.0F * PercentageAxisDelta);
// If the axis is relative, instead set the delta very low, as relative acceleration based inputs cannot be scaled to a range.
if (dInputController.Properties.AxisMode == DeviceAxisMode.Relative)
{
// Set low delta
percentDelta = 50;
// Additionally reset every property.
foreach (PropertyInfo propertyInfo in stateType.GetProperties())
{
if (propertyInfo.PropertyType == typeof(int))
{
propertyInfo.SetValue(joystickState, 0);
}
}
}
// Poll the controller properties.
while (pollCounter < pollAttempts)
{
// Get new JoystickState
JoystickState joystickStateNew = dInputController.GetCurrentState();
// Iterate over all properties.
foreach (PropertyInfo propertyInfo in stateType.GetProperties())
{
// If the property type is an integer. (This covers, nearly all possible axis readings and all in common controllers.)
if (propertyInfo.PropertyType == typeof(int))
{
// Calculate the change of value from last time.
int valueDelta = (int)propertyInfo.GetValue(joystickState) -
(int)propertyInfo.GetValue(joystickStateNew);
// If the value has changed over X amount
if (valueDelta < -1 * percentDelta)
{
//mappingEntry.isReversed = true;
mappingEntry.SourceAxis = propertyInfo.Name;
currentTimeout = 0;
return(true);
}
if (valueDelta > percentDelta)
{
//mappingEntry.isReversed = false;
mappingEntry.SourceAxis = propertyInfo.Name;
currentTimeout = 0;
return(true);
}
}
}
// Increase counter, calculate new time left.
pollCounter += 1;
currentTimeout = timeoutSeconds - pollCounter * SleepTimePolling / (float)MillisecondsInSecond;
// Check exit condition
if (cancellationToken)
{
return(false);
}
// Sleep
Thread.Sleep(SleepTimePolling);
}
// Set current timeout (suppress compiler)
currentTimeout = 0;
mappingEntry.SourceAxis = "Null";
return(false);
}